Buckeye Sanicare Quat 256 is a multi-purpose, germicidal detergent for use in hospital, health care and industrial settings at � oz. per gallon of water. Buckeye Sanicare Quat 256 requires no rinsing, and is pH neutral for use on floor finishes. Buckeye Sanicare Quat 256 has: a 1 minute contact time for Human Coronavirus a 2 minute contact time for Influenza Virus Type A a 4 minute contact time for HIV-1 (AIDS) virus